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3n+8=20 i need help i think it is algerbra
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3n+8=20 i need help i think it is algerbra

User Blimie
by
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2 Answers

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3n+8=20
8+3n=20
3n=20+-8
3n=12
n=4
3n+8=20 i need help i think it is algerbra-example-1
User Planetp
by
6.4k points
1 vote

turn the problem around

20-8=12

12/3=4

Your answer is 4.

User Andrew Corrigan
by
5.5k points
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